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root/i-scream/projects/cms/source/ihost/libstatgrab/disk_stat.c
Revision: 1.12
Committed: Wed May 22 08:54:53 2002 UTC (22 years, 6 months ago) by pajs
Content type: text/plain
Branch: MAIN
Changes since 1.11: +1 -4 lines
Log Message:
endmntend always succeeds

File Contents

# Content
1 /*
2 * i-scream central monitoring system
3 * http://www.i-scream.org.uk
4 * Copyright (C) 2000-2002 i-scream
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20
21 #include <stdlib.h>
22 #include <stdio.h>
23 #include "ukcprog.h"
24 #include <string.h>
25
26 #ifdef SOLARIS
27 #include <sys/mnttab.h>
28 #include <sys/types.h>
29 #include <sys/statvfs.h>
30 #endif
31 #ifdef LINUX
32 #include <mntent.h>
33 #include <sys/vfs.h>
34 #endif
35 #ifdef FREEBSD
36 #include <sys/param.h>
37 #include <sys/ucred.h>
38 #include <sys/mount.h>
39 #endif
40 typedef struct {
41 char *device_name;
42 char *mnt_point;
43 long size;
44 long used;
45 long avail;
46 long t_inodes;
47 long f_inodes;
48 }disk_stat_t;
49
50 typedef struct system_disks_t{
51 disk_stat_t *disk;
52 struct system_disks_t *next_disk;
53 }system_disks_t;
54
55 char *get_disk_stats(){
56 system_disks_t *sd=NULL;
57 system_disks_t *sd_ptr=sd;
58 int counter=0;
59 char *xml_disk_stats;
60 char *xml_disk_stats_ptr;
61 #ifdef SOLARIS
62 struct mnttab mp;
63 struct statvfs df;
64 FILE *f;
65 #endif
66 #ifdef LINUX
67 struct mntent *mp;
68 struct statfs df;
69 FILE *f;
70 #endif
71 #ifdef FREEBSD
72 int nummnt;
73 struct statfs *mp;
74 #endif
75
76 #ifdef SOLARIS
77 if ((f=fopen("/etc/mnttab", "r" ))==NULL){
78 errf("Failed to open mounts (%m)");
79 return NULL;
80 }
81 while((getmntent(f, &mp)) == 0){
82 if ((statvfs(mp.mnt_mountp, &df)) !=0){
83 errf("Failed to gets fs stats (%m)");
84 continue;
85 }
86 if((((strcmp(mp.mnt_fstype,"ufs"))==0) || (strcmp(mp.mnt_fstype,"tmpfs")) ==0)){
87 if((sd_ptr=malloc(sizeof(system_disks_t))) == NULL){
88 errf("malloc failed (%m)");
89 return NULL;
90 }
91 if((sd_ptr->disk=malloc(sizeof(disk_stat_t))) == NULL){
92 errf("malloc failed (%m)");
93 return NULL;
94 }
95 if((sd_ptr->disk->device_name=strdup(mp.mnt_special)) == NULL) {
96 errf("strdup failed (%m)");
97 return NULL;
98 }
99 if((sd_ptr->disk->mnt_point=strdup(mp.mnt_mountp)) == NULL){
100 errf("strdup failed (%m)");
101 return NULL;
102 }
103 sd_ptr->disk->size=((df.f_frsize/1024) * df.f_blocks);
104 sd_ptr->disk->used=(((df.f_frsize/1024) * df.f_blocks) -((df.f_frsize/1024) * df.f_bfree));
105 sd_ptr->disk->avail=(df.f_frsize/1024) * df.f_bavail;
106 sd_ptr->disk->t_inodes=df.f_files;
107 sd_ptr->disk->f_inodes=df.f_ffree;
108 sd_ptr->next_disk=sd;
109 sd=sd_ptr;
110 }
111
112 }
113
114 if((fclose(f))!=0){
115 errf("Failed to close mnttab");
116 return NULL;
117 }
118
119 #endif
120 #ifdef LINUX
121 if ((f=setmntent("/etc/mtab", "r" ))==NULL){
122 errf("Failed to open mounts (%m)");
123 return NULL;
124 }
125
126 while((mp=getmntent(f))){
127 if ((statfs(mp->mnt_dir, &df)) !=0){
128 errf("Failed to gets fs stats (%m)");
129 continue;
130 }
131
132 if((((strcmp(mp->mnt_type, MNTTYPE_NFS))==0) || (strcmp(mp->mnt_type,MNTTYPE_IGNORE)) ==0)) continue;
133 if((sd_ptr=malloc(sizeof(system_disks_t))) == NULL){
134 errf("malloc failed (%m)");
135 return NULL;
136 }
137 if((sd_ptr->disk=malloc(sizeof(disk_stat_t))) == NULL){
138 errf("malloc failed (%m)");
139 return NULL;
140 }
141 if((sd_ptr->disk->device_name=strdup(mp->mnt_fsname)) == NULL){
142 errf("strdup failed (%m)");
143 return NULL;
144 }
145 if((sd_ptr->disk->mnt_point=strdup(mp->mnt_dir)) == NULL){
146 errf("strdup failed (%m)");
147 return NULL;
148 }
149 sd_ptr->disk->size=((df.f_bsize/1024) * df.f_blocks);
150 sd_ptr->disk->used=((df.f_bsize/1024) * df.f_blocks) -((df.f_bsize/1024) * df.f_bfree);
151 sd_ptr->disk->avail=((df.f_bsize/1024) * df.f_bavail);
152 sd_ptr->disk->t_inodes=df.f_files;
153 sd_ptr->disk->f_inodes=df.f_ffree;
154 sd_ptr->next_disk=sd;
155 sd=sd_ptr;
156 }
157
158 endmntent(f);
159
160 #endif
161 #ifdef FREEBSD
162 nummnt=getmntinfo(&mp , MNT_LOCAL);
163 if (nummnt<=0){
164 errf("Failed to get disk stats (%m)");
165 return NULL;
166 }
167
168 for(counter=0;counter<nummnt;counter++){
169 if((sd_ptr=malloc(sizeof(system_disks_t))) == NULL){
170 errf("malloc failed (%m)");
171 return NULL;
172 }
173 if((sd_ptr->disk=malloc(sizeof(disk_stat_t))) == NULL){
174 errf("malloc failed (%m)");
175 return NULL;
176 }
177 if((sd_ptr->disk->device_name=strdup(mp->f_mntfromname))==NULL){
178 errf("strdup failed (%m)");
179 return NULL;
180 }
181 if((sd_ptr->disk->mnt_point=strdup(mp->f_mntonname))==NULL){
182 errf("strdup failed (%m)");
183 return NULL;
184 }
185 sd_ptr->disk->size=((mp->f_bsize/1024) * mp->f_blocks);
186 sd_ptr->disk->used=((mp->f_bsize/1024) * mp->f_blocks) -((mp->f_bsize/1024) * mp->f_bfree);
187 sd_ptr->disk->avail=((mp->f_bsize/1024) * mp->f_bavail);
188 sd_ptr->disk->t_inodes=mp->f_files;
189 sd_ptr->disk->f_inodes=mp->f_ffree;
190 sd_ptr->next_disk=sd;
191 sd=sd_ptr;
192 mp++;
193 }
194 #endif
195
196
197 sd_ptr=sd;
198 xml_disk_stats=strdup("<disk>");
199
200 for(counter=0;sd_ptr!=NULL;counter++){
201 xml_disk_stats_ptr=xml_disk_stats;
202 if((xml_disk_stats=strf("%s<p%d name=\"%s\" mount=\"%s\" kbytes=\"%ld\" used=\"%ld\" avail=\"%ld\" totalinodes=\"%ld\" freeinodes=\"%ld\"></p%d>", xml_disk_stats, counter, sd_ptr->disk->device_name, sd_ptr->disk->mnt_point, sd_ptr->disk->size, sd_ptr->disk->used, sd_ptr->disk->avail, sd_ptr->disk->t_inodes, sd_ptr->disk->f_inodes, counter)) == NULL){
203 errf("strf failed (%m)");
204 return NULL;
205 }
206 free(xml_disk_stats_ptr);
207 sd_ptr=sd_ptr->next_disk;
208 }
209 xml_disk_stats_ptr=xml_disk_stats;
210 xml_disk_stats=strf("%s</disk>",xml_disk_stats);
211 free(xml_disk_stats_ptr);
212
213 /* Cleaning up */
214 sd_ptr=sd;
215 while(sd_ptr!=NULL){
216 sd=sd_ptr->next_disk;
217 free(sd_ptr->disk->device_name);
218 free(sd_ptr->disk->mnt_point);
219 free(sd_ptr->disk);
220 free(sd_ptr);
221 sd_ptr=sd;
222 }
223
224 return xml_disk_stats;
225 }
226